The Biggest Bang that No one ever heard.

LCROSS (Lunar CRater Observation and Sensing Satellite) is about to hit the moon. The exact time of the impact (give or take a few seconds) is Friday 9th Oct 2009 11:31:30 UTC (about 7.30 EDT).

Its going to hit at about 9000km/hr (~2.5km/s), and with a mass of about 2 tons that will give it about the same energy as a ton of TNT. Its not quite the biggest extra-terrestrial manmade silent bangs ever. Deep Impact which hit comet Temple had a considerably smaller impactor (~400kg) but went MUCH faster (MV^2 counts!). Deep Impact hit the comet at about 10 km/s and had the same energy as about 5 tons of TNT.

The weather of late has been lousy in upstate NY, but if its clear, I will try to record the impact.
http://blogs.discovermagazine.com/badastronomy/2009/09/14/lcross-impact-site-...

This latter site is *GREAT*
http://lcross.arc.nasa.gov/observation/amateur.htm

All the sky animations were done with Celestia. Its free, and fantastic!
http://www.shatters.net/celestia/

Category:

Science & Technology

Tags:

• LCROSS
• Moon
• Impact
• Lunar
• crater
• water
• crash
• Nasa
• visible
• from
• earth
• Biggest
• silent
• bang
• ever
• explosion

[gyro231995]

I'm pretty sure the biggest bang that no one ever heard was the Big Bang, but considering that sound didn't exist back then, I guess it doesn't count.

[porkymania90]

@QCBEC I think the title is referring to the fact that sound doesn't travel in space since there's no air.

[QCBEC]

I find the tittle of this video contradictive.

[Kep0v]

we were an extra terrestrial species from the start for any other planets, not from when we touched the moon ony(if we even did anyway)...

[ohedd]

@mechanicmike69 Hahaha yeah I forgot about that, it's funny too; Your arguments are replaced by your ctrl + v argumentation. And ONCE AGAIN, for the fifth time you STILL go on about the "science isn't 'successful'"part. Don't you think the quotation marks meant anything? That I slipped on the keyboard? I get if you're retarded and don't get things by just reading them once, but 5 times? I mean come on.... It is important that you understand that I respect your condition.

[mechanicmike69]

@ohedd You're a result of theist brainwashing and you're too fucking ignorant to even know it.

You are "Logically Challenged".

[mechanicmike69]

@ohedd <--- changes story, delusional fucking moron. First it was science hasn't done anything successful, now it's our way of understanding the world. You're a fucking idiot.

Fuck you and your bullshit. Nothing you have typed changes the FACT that god does not exist.

[ohedd]

@mechanicmike69 My religious upbringing? Bahahahha In Sweden? Oh really? Read a fucking book for once.

[ohedd]

@mechanicmike69 Is it arrogant to want to spread knowledge and acceptance? Are you fucking serious? I don't understand communism!? You are the dumb fuck who can't respond when I give you an example of cruelty that has absolutely nothing to do with religion - after all you seriously suggested that religion is the main reason for war. So unless China and USSR were secretly governed by the pope, you're wrong.